From: Simon Horman <horms@verge.net.au>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: Ian Campbell <Ian.Campbell@citrix.com>,
kexec@lists.infradead.org, Magnus Damm <magnus.damm@gmail.com>,
linux-kernel@vger.kernel.org,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andrew Morton <akpm@linux-foundation.org>,
Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [PATCH -mm 1/2 -v2] kexec/i386: kexec page table code clean up - add arch_kimage
Date: Fri, 18 Jan 2008 18:11:09 +0900 [thread overview]
Message-ID: <20080118091108.GD10957@verge.net.au> (raw)
In-Reply-To: <1200377146.3505.50.camel@caritas-dev.intel.com>
On Tue, Jan 15, 2008 at 02:05:46PM +0800, Huang, Ying wrote:
> This patch add an architecture specific struct arch_kimage into struct
> kimage. Three pointers to page table pages used by kexec are added to
> struct arch_kimage. The page tables pages are dynamically allocated in
> machine_kexec_prepare instead of statically from BSS segment. This
> will save up to 20k memory when kexec image is not loaded.
I like this idea a lot.
Acked-by: Simon Horman <horms@verge.net.au>
> Signed-off-by: Huang Ying <ying.huang@intel.com>
--
Horms
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WARNING: multiple messages have this Message-ID (diff)
From: Simon Horman <horms@verge.net.au>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Vivek Goyal <vgoyal@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Ian Campbell <Ian.Campbell@citrix.com>,
Magnus Damm <magnus.damm@gmail.com>,
linux-kernel@vger.kernel.org, kexec@lists.infradead.org
Subject: Re: [PATCH -mm 1/2 -v2] kexec/i386: kexec page table code clean up - add arch_kimage
Date: Fri, 18 Jan 2008 18:11:09 +0900 [thread overview]
Message-ID: <20080118091108.GD10957@verge.net.au> (raw)
In-Reply-To: <1200377146.3505.50.camel@caritas-dev.intel.com>
On Tue, Jan 15, 2008 at 02:05:46PM +0800, Huang, Ying wrote:
> This patch add an architecture specific struct arch_kimage into struct
> kimage. Three pointers to page table pages used by kexec are added to
> struct arch_kimage. The page tables pages are dynamically allocated in
> machine_kexec_prepare instead of statically from BSS segment. This
> will save up to 20k memory when kexec image is not loaded.
I like this idea a lot.
Acked-by: Simon Horman <horms@verge.net.au>
> Signed-off-by: Huang Ying <ying.huang@intel.com>
--
Horms
next prev parent reply other threads:[~2008-01-18 9:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-15 6:05 [PATCH -mm 1/2 -v2] kexec/i386: kexec page table code clean up - add arch_kimage Huang, Ying
2008-01-15 6:05 ` Huang, Ying
2008-01-15 13:56 ` Vivek Goyal
2008-01-15 13:56 ` Vivek Goyal
2008-01-18 9:11 ` Simon Horman [this message]
2008-01-18 9:11 ` Simon Horman
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